Fossa navicularis: anatomic variation at the skull base.
D001845:Bone Cysts / Q000473:pathology; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D009305:Nasopharynx / Q000033:anatomy & histology; D009777:Occipital Bone / Q000033:anatomy & histology*; D019291:Skull Base / Q000002:abnormalities* / Q000033:anatomy & histology*; D014057:Tomography, X-Ray Computed